(1979). Giving is an Act of Faith: What Every Donor to Religious Charities Should Know About Giving. Rockville Centre, N.Y.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Giving Is an Act of Faith: What Every Donor to Religious Charities Should Know About Giving. Rockville Centre, N.Y, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Giving Is an Act of Faith: What Every Donor to Religious Charities Should Know About Giving. Rockville Centre, N.Y, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.